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Pre-chamber structure for piston engine

A technology of piston engine and pre-combustion chamber, applied in the direction of internal combustion piston engine, combustion engine, machine/engine, etc., can solve the problems of incomplete combustion, difficulty in controlling air-fuel ratio, and generating a large amount of particulate matter, and achieve effective control, The effect of preventing adhesion and residue and reducing fuel consumption

Inactive Publication Date: 2014-05-07
HYUNDAI MOTOR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] However, in the pre-combustion chamber structure of the related art piston engine, since the fuel injected into the compression chamber adheres to the wall surface of the compression chamber to form residue, it is difficult to control the air-fuel ratio.
Further, since the fuel attached to the wall surface of the compression chamber burns in a liquid droplet state, incomplete combustion occurs and there is a concern that a large amount of particulate matter is generated

Method used

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  • Pre-chamber structure for piston engine

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Embodiment Construction

[0027] Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the drawings and described below. While the invention has been described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other alternatives, modifications, equivalents and other alternatives, which may be included within the spirit and scope of the invention as defined by the appended claims. In the implementation plan.

[0028] Reference attached figure 1 , The structure of the pre-combustion chamber of the piston engine according to various embodiments of the present invention includes: a combustion chamber 10 of the pre-combustion chamber and a compression chamber 20 of the pre-combustion chamb...

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Abstract

A pre-chamber structure for a piston engine may include: a pre-chamber combustion chamber in which a mixture of fuel and air is combusted and a pre-chamber compression chamber including a sub-chamber communicating with the pre-chamber combustion chamber and having an inclined wall surface, and a main chamber extending from the sub-chamber, thereby preventing the fuel from being adsorbed and remaining in the wall surface of the pre-chamber compression chamber in a droplet state.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2012-0116829 filed on October 19, 2012, the entire contents of which are hereby incorporated by reference for all purposes. technical field [0003] The invention relates to a pre-combustion chamber structure of a piston engine. More specifically, the present application relates to a pre-combustion chamber structure of a piston engine in which a lower portion of a compression chamber facing the combustion chamber is formed obliquely toward the combustion chamber. Background technique [0004] Generally, nitrogen oxides (NOx) are formed when a fuel and air mixture is combusted inside an internal combustion engine. [0005] The amount of nitrogen oxides increases according to the combustion temperature, but the amount of nitrogen oxides can be reduced by increasing the mixture ratio of fuel and air, that is, using a more dilute fuel mixture. [0006...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B19/16
CPCY02T10/125F02B19/00F02B19/12Y02T10/12F02B19/06F02B19/18
Inventor 李源埈禹秀亨孔镇国催炳永辛起旭郭永弘金镇淳
Owner HYUNDAI MOTOR CO LTD
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